question about node collection

[Tusenka]

Why do we need to get dict from parent class? dict is already already loaded from parent object

pytest/src/_pytest/python.py

Line 392 in b938e70

if isinstance(self.obj, type):

and in which cases there are possible duplicates for seen?

[RonnyPfannschmidt]

Some testsuites use subclasses that override some tests

The only save way is to walk the dicts of the complete mro and taking overrides into account